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Supercritical carbon dioxide as solvent for the copolymerization of carbon dioxide and propylene oxide using a heterogeneous zinc carboxylate catalyst

✍ Scribed by Donald J. Darensbourg; Nicole White Stafford; Takumi Katsurao

Publisher: Elsevier Science
Year: 1995
Tongue: English
Weight: 313 KB
Volume: 104
Category: Article
ISSN: 1381-1169
DOI: 10.1016/1381-1169(95)00142-5

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✦ Synopsis

Supercritical carbon dioxide was found to be a suitable substitute for halogenated organic solvents in its copolymerization with propylene oxide. The system was studied utilizing a heterogenous catalyst, zinc glutarate. The polymers were analyzed for selectivity in polycarbonate linkages by 'H NMR spectroscopy and for molecular weight by gel permeation chromatography.

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